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a)
x/5 - 2 = 1 si x/5=3
x/5 = 1 +2=3
x/5=3=>x=15
x/5=3=>x=3
Sunt echivalente;
b) x/5=3 si x=5x3
x/5=3=> x = 5 x 3=15
x = 5 x 3=15
Sunt echivalente ;
c) y/3+1=3 si 2y/3=2
y/3=2=> y=6
2y=3x2=6=>y=3
Nu sunt !
d)2y/3=2 si y=2 x 3/2
2y/3=2=>2y=6=>y=3
y = 2 x 3/2 =6/2=3
Sunt echivalente ;
e)5/3 :x -1=4 si 5/3:x=5
3/5 X x = 5
3x/5=5=>3x=25=>x=8,(3)
5/3:x=5 => 3x/5=5=>3x=25=>x=8,(3)
Sunt echivalente;
f) 5/3:x=5 si x=5/3:5
3x/5=5=>3x=25=>x=8,(3)
x = 3/5 x 5 =15/5=3
Nu sunt
#AlbertGaming
